Which of the Following Is True of Shielded Metal Arc

question 39

Multiple Choice

Which of the following is true of shielded metal arc welding?

• A) The machine and the electrodes are expensive.
• B) Metal as thin as 1/16 inch to several feet thick can be welded using the same machine.
• C) There is a lot of equipment required, and it is difficult to move.
• D) The process is not suitable for cast iron, aluminum, stainless steel or nickel.

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Definitions:

Figure-Ground Relationships

A principle in gestalt psychology that describes how people visually distinguish an object (the figure) from its surrounding background (the ground).

Audition

The sense or act of hearing.

Air Pressure Waves

Air pressure waves are variations in atmospheric pressure that often arise from phenomena like sound waves, where the pressure oscillates above and below the ambient atmospheric pressure.

Eardrum Vibrations

Eardrum vibrations occur when sound waves strike the eardrum, causing it to vibrate; these vibrations are then transmitted into the inner ear, leading to the perception of sound.